Homopolar generator



FIG. 1 is a front pictorial view of our homopolar generator showing our new design;

FIG. 2 is a left side view thereof, on an enlarged scale the right side view being essentially identical thereto;

FIG. 3 is a front view thereof, on an enlarged scale the rear view being essentially identical thereto;

FIG. 4 is a top view thereof, on an enlarged scale;

FIG. 5 is a bottom view thereof, on an enlarged scale. 

The ornamental design for a homopolar generator, substantially as shown and described. 